package ooday02;

public class OverrideTest {
    public static void main(String[] args) {
        Student zg=new Student("张光",23,"廊坊","jbd2507","001");
        zg.sayHi();
        Teacher ll=new Teacher("李林",35,"佳木斯",60000.0);
        ll.sayHi();
        Doctor zl=new Doctor("赵亮",45,"山东","主任医师");
        zl.sayHi();
    }
}
